CN214171279U

CN214171279U - Speed-up gear box of screw compressor

Info

Publication number: CN214171279U
Application number: CN202023242611.7U
Authority: CN
Inventors: 黄诗成
Original assignee: Guangzhou Qicheng Mould Co ltd
Current assignee: Guangzhou Qicheng Mould Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-10
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a gear box technical field, especially a screw compressor speed-up gear box, including the gear box body, one side of gear box body is provided with the mounting bracket, states two stoppers of top fixedly connected with, two that the mounting bracket is close to gear box body side the equal sliding connection in inside of stopper has the guide post, two the equal fixedly connected with connecting block in both ends of guide post, four the connecting block is equallyd divide do not with gear box body fixed connection. The utility model has the advantages that: have the guide post through the equal sliding connection in the inside of two stoppers, four column spinner all rotate with the lantern ring and backup pad respectively through the bearing and are connected, and then can make to take place relative rotation between guide bar and the column spinner through lifting the pull rod on, are convenient for adjust the relative height of mounting bracket, have a plurality of gyro wheels through the inside roll connection of mounting bracket, and then are convenient for dock the installation to motor and gear box body, reduce operating time, improve assembly efficiency.

Description

Speed-up gear box of screw compressor

Technical Field

The utility model relates to a gear box technical field, especially a helical-lobe compressor speed-increasing gear box.

Background

At present, two common transmission modes of the screw compressor are provided: belt drive and shaft coupling transmission, and motor power is mostly the shaft coupling transmission at the unit more than 55kW, because screw compressor work is rotatory than the motor is high, so need dispose acceleration gear box during the shaft coupling transmission, screw acceleration gear box is one drags a single aircraft structure usually, a motor must drive a compressor head through an acceleration gear box promptly and carry out work, at the in-process of assembling motor and gear box, generally need hoist and mount the equipment, still have following shortcoming when solving the assembly problem:

in the process of hoisting and assembling, the motor is in a swinging state, so that certain influence is caused to butt joint installation, the assembling time is prolonged, and the assembling efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a helical-lobe compressor increasing gear box.

The purpose of the utility model is realized through the following technical scheme: a speed-increasing gearbox of a screw compressor comprises a gearbox body, wherein a mounting frame is arranged on one side of the gearbox body;

the top end, close to the side face of the gear box body, of the mounting frame is fixedly connected with two limiting blocks, guide columns are connected to the inner portions of the two limiting blocks in a sliding mode, connecting blocks are fixedly connected to two ends of each of the two guide columns, and the four connecting blocks are respectively fixedly connected with the gear box body;

the inner part of the mounting frame is connected with a plurality of idler wheels in a rolling manner, four corners of the bottom surface of the mounting frame are fixedly connected with guide rods, the outer surfaces of the four guide rods are connected with rotating columns in a threaded manner, the middle parts of the outer walls of the four rotating columns are fixedly connected with two fixed blocks, the eight fixed blocks are grouped in pairs, one side of the outer surface of each of the four groups of fixed blocks is rotatably connected with a pull rod, and the four pull rods are respectively positioned between the two adjacent fixed blocks;

four the spacing groove has all been seted up to the bottom of column spinner outer wall, four the bottom of column spinner all rotates and is connected with the lantern ring, four the bearing has all been cup jointed to the inside of the lantern ring, four the equal threaded connection in top of the lantern ring outer wall has three spacing bolt, and is a plurality of the one end of bolt is equallyd divide do not with spacing groove sliding connection, four the equal fixedly connected with backup pad in bottom of the lantern ring.

Optionally, two the stopper all is through welding mode and mounting bracket fixed connection, two the shape that the mounting bracket was kept away from to the stopper is the cylinder, two the outer wall that the mounting bracket was kept away from to the stopper all leaves the clearance with between the gear box body, and the mounting bracket of being convenient for can be smooth and easy carry out the up-and-down motion, prevents to take place the motion interference with the gear box body.

Optionally, a plurality of the gyro wheel is at the top linear arrangement distribution of mounting bracket inner wall, and is a plurality of the surface of gyro wheel all exceeds the top surface of mounting bracket, can the convenience of customers promote the butt joint of motor completion and gear box body.

Optionally, four the bottom surface of column spinner is equallyd divide and is do not laminated mutually with the top surface of bearing, four the length of column spinner is equallyd divide and is do not greater than the length of guide bar, is convenient for make the column spinner can rotate, through the threaded connection with four guide bars, and then realizes the altitude mixture control of mounting bracket.

Optionally, four the pull rod all rotates with two adjacent fixed blocks respectively through the pin to be connected, and four pull rods are close to the side of fixed block and equally divide and do not laminate mutually with the side of fixed block, can convenient to use person mention the pull rod and rotate the rotation column.

Optionally, four the shape of lantern ring inner wall is the frustum, four the external diameter that is less than the bearing bottom is equallyd divide to the internal diameter of lantern ring inner wall bottom, can be convenient for four bearings can be smooth and easy rotate.

The utility model has the advantages of it is following:

1. this screw compressor speed-increasing gear box, there is the guide post through the equal sliding connection in the inside of two stoppers, four columns of revolution all rotate with the lantern ring and backup pad respectively through the bearing and are connected, and then can make to take place relative rotation between guide bar and the column of revolution through lifting the pull rod on, are convenient for adjust the relative height of mounting bracket, have a plurality of gyro wheels through the inside roll connection of mounting bracket, and then are convenient for dock the installation to motor and gear box body, reduce operating time, improve assembly efficiency.

2. This helical-lobe compressor speed-increasing gear box all has cup jointed the bearing through the inside at four lantern rings, and then can reduce and rotate four column spinner frictional forces, is convenient for rise and reduce the motor to the realization, has three spacing bolt through the equal threaded connection in the top of four lantern ring outer walls, and the one end of a plurality of bolts is equallyd divide do not with spacing groove sliding connection, and then can prevent that four lantern rings from breaking away from with the column spinner mutually, also is convenient for carry out the mutual rotation between four column spinners and the lantern ring simultaneously.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention;

fig. 2 is a schematic structural view of the mounting frame of the present invention;

FIG. 3 is a schematic view of the structure of the spin column of the present invention;

FIG. 4 is a schematic view of the internal cutting structure of the spin column of the present invention;

fig. 5 is a schematic view of the structure of the collar of the present invention.

In the figure: 1-a gear box body, 2-a connecting block, 3-a guide column, 4-a mounting rack, 5-a roller, 6-a guide rod, 7-a rotating column, 8-a fixing block, 9-a supporting plate, 10-a limiting groove, 11-a limiting bolt, 12-a lantern ring, 13-a pull rod, 14-a limiting block and 15-a bearing.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1 to 5, a speed increasing gear box of a screw compressor comprises a gear box body 1, wherein a mounting frame 4 is arranged on one side of the gear box body 1;

the top end, close to the side face of the gear box body 1, of the mounting frame 4 is fixedly connected with two limiting blocks 14, the insides of the two limiting blocks 14 are both connected with guide columns 3 in a sliding mode, two ends of each of the two guide columns 3 are both fixedly connected with connecting blocks 2, and the four connecting blocks 2 are respectively and fixedly connected with the gear box body 1;

the inner part of the mounting frame 4 is connected with a plurality of rollers 5 in a rolling manner, four corners of the bottom surface of the mounting frame 4 are fixedly connected with guide rods 6, the outer surfaces of the four guide rods 6 are all connected with rotating columns 7 in a threaded manner, the middle parts of the outer walls of the four rotating columns 7 are all fixedly connected with two fixed blocks 8, the eight fixed blocks 8 are in a group of two by two, one side of the outer surface of each of the four groups of fixed blocks 8 is rotatably connected with a pull rod 13, and the four pull rods 13 are respectively positioned between the two adjacent fixed blocks 8;

spacing groove 10 has all been seted up to the bottom of four column spinner 7 outer walls, and the bottom of four column spinner 7 all rotates and is connected with lantern ring 12, and bearing 15 has all been cup jointed to the inside of four lantern rings 12, and the equal threaded connection in top of four lantern ring 12 outer walls has three spacing bolt 11, and a plurality of bolt 11's one end is equallyd divide do not with spacing groove 10 sliding connection, the equal fixedly connected with backup pad 9 in bottom of four lantern rings 12.

As an optional technical solution of the utility model: two stoppers 14 are all through welding mode and mounting bracket 4 fixed connection, the shape that mounting bracket 4 was kept away from to two stoppers 14 is the cylinder, two stoppers 14 keep away from between the outer wall of mounting bracket 4 all and the gear box body 1 leave the clearance, can prevent to carry out height-adjusting's in-process and gear box body 1 at mounting bracket 4 and take place the motion interference, two guide posts 3 can be convenient for lead mounting bracket 4 simultaneously, can also suitably ensure the relative levelness of mounting bracket 4 simultaneously.

As an optional technical solution of the utility model: a plurality of gyro wheels 5 distribute at the top linear arrangement of 4 inner walls of mounting bracket, and the surface of a plurality of gyro wheels 5 all exceeds the top surface of mounting bracket 4, during the use, hoists the motor to a plurality of gyro wheels 5's top surface, through directly promoting the motor, makes and produces relative roll between motor and a plurality of gyro wheels 5, and then is convenient for reduce user's the amount of labour, can also improve the degree of accuracy of butt joint simultaneously, and convenient to use person docks the installation.

As an optional technical solution of the utility model: the bottom surfaces of the four rotary columns 7 are equally divided into two parts which are respectively attached to the top surfaces of the bearings 15, the length of each rotary column 7 is equal to the length of each guide rod 6, the guide rods 6 can be placed inside the rotary columns 7, the bottom surfaces of the four rotary columns 7 are equally divided into two parts which are respectively attached to the top surfaces of the bearings 15, so that the four rotary columns 7 and the lantern ring 12 can rotate relative to each other, and the height of the mounting frame 4 can be conveniently adjusted.

As an optional technical solution of the utility model: four pull rods 13 all rotate with two adjacent fixed blocks 8 respectively through the pin to be connected, and four pull rods 13 are close to the side of fixed block 8 and are equallyd divide and do not laminate mutually with the side of fixed block 8, and four pull rods 13 can be around the pin rotation of using oneself, when rotating four column spinner 7, only need mention pull rod 13 and promote or stimulate hard, through judging the relative position of motor and gear box body 1, can realize highly adjusting mounting bracket 4.

As an optional technical solution of the utility model: the shape of four lantern ring 12 inner walls is the frustum, and the external diameter that does not be less than the 15 bottoms of bearing is equallyd divide to the internal diameter of four lantern ring 12 inner wall bottoms, can be convenient for install bearing 15 into the inside of four lantern ring 12, and lantern ring 12 does not influence the relative rotation of bearing 15 again simultaneously, and then can reduce user's dynamics, is convenient for realize the altitude mixture control to mounting bracket 4.

The working process of the utility model is as follows: when a user uses the gear box, the guide columns 3 are connected inside the two limit blocks 14 in a sliding mode, the four rotary columns 7 are respectively connected with the lantern rings 12 and the support plate 9 in a rotating mode through the bearings 15, the guide rods 6 and the rotary columns 7 can rotate relatively through the upper lifting pull rod 13, the relative height of the mounting frame 4 can be adjusted conveniently, the rollers 5 are connected inside the mounting frame 4 in a rolling mode, the motor and the gear box body 1 can be conveniently installed in a butt joint mode, operation time is shortened, assembly efficiency is improved, the bearings 15 are sleeved inside the four lantern rings 12, friction force of the four rotary columns 7 can be reduced, the motor can be conveniently lifted and lowered, the three limit bolts 11 are connected to the top ends of the outer walls of the four lantern rings 12 in a threaded mode, and one ends of the bolts 11 are respectively connected with the limit grooves 10 in a sliding mode, thereby preventing the four lantern rings 12 from being separated from the rotating columns 7 and facilitating the mutual rotation between the four rotating columns 7 and the lantern rings 12.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a helical-lobe compressor step-up gear which characterized in that: the gearbox comprises a gearbox body (1), wherein a mounting rack (4) is arranged on one side of the gearbox body (1);

the top end, close to the side face of the gear box body (1), of the mounting frame (4) is fixedly connected with two limiting blocks (14), guide columns (3) are connected to the insides of the two limiting blocks (14) in a sliding mode, connecting blocks (2) are fixedly connected to two ends of each guide column (3), and the four connecting blocks (2) are fixedly connected with the gear box body (1) respectively;

a plurality of rollers (5) are connected to the inside of the mounting frame (4) in a rolling manner, guide rods (6) are fixedly connected to four corners of the bottom surface of the mounting frame (4), rotary columns (7) are connected to the outer surfaces of the four guide rods (6) in a threaded manner, two fixed blocks (8) are fixedly connected to the middle parts of the outer walls of the four rotary columns (7), eight fixed blocks (8) are grouped in pairs, pull rods (13) are rotatably connected to one side of the outer surfaces of the four groups of fixed blocks (8), and the four pull rods (13) are respectively located between every two adjacent fixed blocks (8);

four spacing groove (10), four have all been seted up to the bottom of column spinner (7) outer wall the bottom of column spinner (7) all rotates and is connected with the lantern ring (12), four bearing (15), four have all been cup jointed to the inside of the lantern ring (12) the equal threaded connection in top of the lantern ring (12) outer wall has three spacing bolt (11), and is a plurality of the one end of bolt (11) is equallyd divide do not with spacing groove (10) sliding connection, four the equal fixedly connected with backup pad (9) in bottom of the lantern ring (12).

2. The screw compressor step-up gear box according to claim 1, wherein: two stopper (14) all are through welding mode and mounting bracket (4) fixed connection, two the shape that mounting bracket (4) were kept away from in stopper (14) is the cylinder, two the outer wall that mounting bracket (4) were kept away from in stopper (14) all leaves the clearance with between gear box body (1).

3. The screw compressor step-up gear box according to claim 1, wherein: a plurality of gyro wheel (5) are at the top linear arrangement distribution of mounting bracket (4) inner wall, and a plurality of the surface of gyro wheel (5) all is higher than the top surface of mounting bracket (4).

4. The screw compressor step-up gear box according to claim 1, wherein: the bottom surfaces of the rotating columns (7) are attached to the top surfaces of the bearings (15) respectively, and the lengths of the rotating columns (7) are equal to the lengths of the guide rods (6) respectively.

5. The screw compressor step-up gear box according to claim 1, wherein: four pull rod (13) all rotate with two adjacent fixed block (8) respectively through the pin and are connected, and four pull rod (13) are close to the side of fixed block (8) and equally divide and do not laminate mutually with the side of fixed block (8).

6. The screw compressor step-up gear box according to claim 1, wherein: the shape of the inner wall of the lantern ring (12) is a frustum, and the inner diameter of the bottom end of the inner wall of the lantern ring (12) is equal to the outer diameter of the bottom end of the bearing (15).